Issued 2026-09-16 at $24.67 · now $24.67 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, ZLAB has typically landed between $17.79 and $33.10 — a range of −27.9% to +34.2% from the issuance price $24.67.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
2,238 overlapping 1 month windows · 2017-09-20 – 2026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.7–56.1%, ≈1,408 obs).
The cone is anchored at the 2026-09-16 issuance close ($24.67) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.
Where ZLAB has typically landed a month from the 2026-09-16 close of $24.67 — the range is history, not a prediction.
- now $24.67 (+0.0%)
- typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $23.85 (-3.3%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $20.74–$26.96
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $17.79–$33.1
Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 2,238 windows spanning 2017-09-20 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2022-02-10 | −48.6% | −48.6% | +9.7% |
| 2022-02-11 | −45.8% | −48.2% | +10.6% |
| 2022-04-07 | −45.2% | −45.2% | +0.0% |
| 3 best | |||
| 2022-06-16 | +86.7% | +0.0% | +86.7% |
| 2022-10-31 | +73.1% | +0.0% | +73.7% |
| 2022-06-15 | +69.6% | −5.6% | +69.6% |
2,238 overlapping windows · 2017-09-20 – 2026-09-16 · not cherry-picked
Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.
iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~9 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.Jan
67%
+8.6%
n=9
Feb
56%
+3.1%
n=9
Mar
22%
−7.6%
n=9
Apr
44%
+2.4%
n=9
May
44%
+0.5%
n=9
Jun
56%
+7.5%
n=9
Jul
44%
+0.0%
n=9
Aug
67%
+4.4%
n=9
Sep
33%
−5.3%
n=9
Oct
44%
−4.7%
n=9
Nov
56%
+10.1%
n=9
Dec
44%
−2.9%
n=9
Up-frequency and average month-over-month return · historical frequency, not a prediction
Reported insider & political trades
Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.
| Date | Person | Role | Action | Shares @ price | Value | Ownership Δ | vs S&P 1m | vs S&P 6m | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-19 | Chen Yajing | officer | Sale | 260 @ $27.00 | $7K | −0.7% of holding | not yet — horizon still open | not yet — horizon still open | 35,635 | Form 4 · filed 2 days after the trade |
| 2026-08-12 | Lis William | director | Sale | 8,506 @ $25.00 | $213K | −16.9% of holding | −4.2% | not yet — horizon still open | 41,931 | Form 4 · filed 1 day after the trade |
| 2026-08-11 | Chen Yajing | officer | Sale | 619 @ $25.00 | $15K | −1.7% of holding | −5.4% | not yet — horizon still open | 35,072 | Form 4 · filed 2 days after the trade |
| 2026-07-01 | GAYNOR RICHARD | director | Purchase | 1,736 @ $19.05 | $33K | +2.2% of holding | −4.8% | not yet — horizon still open | 80,737 | Form 4 · filed 5 days after the trade |
| 2026-06-30 | Du Ying | director | Sale | 7,026 @ $18.53 | $130K | −0.6% of holding | −3.5% | not yet — horizon still open | 1,203,784 | Form 4 · filed 1 day after the trade |
| 2026-06-26 | Du Ying | director | Sale | 24,543 @ $17.46 | $429K | −2.0% of holding | +1.8% | not yet — horizon still open | 1,192,840 | Form 4 · filed 3 days after the trade |
| 2026-06-26 | Edmondson Frazor Titus III | officer | Sale | 4,103 @ $17.46 | $72K | −11.9% of holding | +1.8% | not yet — horizon still open | 30,346 | Form 4 · filed 3 days after the trade |
| 2026-06-26 | Chen Yajing | officer | Sale | 2,264 @ $17.46 | $40K | −6.0% of holding | +1.8% | not yet — horizon still open | 35,691 | Form 4 · filed 3 days after the trade |
| 2026-06-22 | Lis William | director | Sale | 7,040 @ $18.09 | $127K | −12.2% of holding | +10.5% | not yet — horizon still open | 50,437 | Form 4 · filed 2 days after the trade |
| 2026-05-18 | Du Ying | director | Sale | 50,000 @ $19.00 | $950K | −4.3% of holding | −5.5% | not yet — horizon still open | 1,122,626 | Form 4 · filed 1 day after the trade |
| 2026-05-15 | Du Ying | director | Sale | 50,000 @ $20.74 | $1.0M | −4.3% of holding | −15.4% | not yet — horizon still open | 1,122,626 | Form 4 · filed 4 days after the trade |
| 2026-05-14 | Du Ying | director | Sale | 50,000 @ $20.09 | $1.0M | −4.3% of holding | −13.7% | not yet — horizon still open | 1,122,626 | Form 4 · filed 1 day after the trade |
| 2026-05-14 | Edmondson Frazor Titus III | officer | Sale | 3,517 @ $20.19 | $71K | −15.1% of holding | −13.7% | not yet — horizon still open | 19,849 | Form 4 · filed 1 day after the trade |
| 2026-05-13 | Du Ying | director | Sale | 33,769 @ $20.22 | $683K | −2.9% of holding | −16.5% | not yet — horizon still open | 1,122,626 | Form 4 · filed 2 days after the trade |
| 2026-05-13 | Du Ying | director | Sale | 16,231 @ $19.44 | $316K | −1.4% of holding | −16.5% | not yet — horizon still open | 1,156,395 | Form 4 · filed 2 days after the trade |
| 2026-04-06 | Smiley Joshua L | officer | Sale | 3,017 @ $20.45 | $62K | −2.5% of holding | −7.5% | not yet — horizon still open | 117,602 | Form 4 · filed 2 days after the trade |
| 2026-04-06 | Amado Rafael | director | Sale | 2,739 @ $20.45 | $56K | −4.6% of holding | −7.5% | not yet — horizon still open | 57,022 | Form 4 · filed 2 days after the trade |
| 2026-04-06 | Du Ying | director | Sale | 2,653 @ $20.45 | $54K | −0.2% of holding | −7.5% | not yet — horizon still open | 1,122,626 | Form 4 · filed 2 days after the trade |
| 2026-04-06 | Edmondson Frazor Titus III | officer | Sale | 1,224 @ $20.45 | $25K | −5.0% of holding | −7.5% | not yet — horizon still open | 23,366 | Form 4 · filed 2 days after the trade |
| 2026-04-06 | Chen Yajing | officer | Sale | 853 @ $20.45 | $17K | −2.6% of holding | −7.5% | not yet — horizon still open | 31,705 | Form 4 · filed 2 days after the trade |
| 2026-04-02 | Amado Rafael | director | Sale | 9,910 @ $20.39 | $202K | −14.2% of holding | −5.5% | not yet — horizon still open | 59,761 | Form 4 · filed 1 day after the trade |
| 2026-04-02 | Smiley Joshua L | officer | Sale | 9,614 @ $20.39 | $196K | −7.4% of holding | −5.5% | not yet — horizon still open | 120,619 | Form 4 · filed 1 day after the trade |
| 2026-04-02 | Du Ying | director | Sale | 5,576 @ $20.39 | $114K | −0.5% of holding | −5.5% | not yet — horizon still open | 1,125,279 | Form 4 · filed 1 day after the trade |
| 2026-04-02 | Chen Yajing | officer | Sale | 5,199 @ $20.39 | $106K | −13.8% of holding | −5.5% | not yet — horizon still open | 32,558 | Form 4 · filed 1 day after the trade |
| 2026-04-02 | Edmondson Frazor Titus III | officer | Sale | 4,194 @ $20.39 | $86K | −14.6% of holding | −5.5% | not yet — horizon still open | 24,590 | Form 4 · filed 1 day after the trade |
| 2026-03-17 | GAYNOR RICHARD | director | Purchase | 1,731 @ $18.91 | $33K | +3.2% of holding | +18.7% | +16.7% | 56,630 | Form 4 · filed 2 days after the trade |
| 2026-03-13 | Amado Rafael | director | Sale | 2,957 @ $18.63 | $55K | −6.2% of holding | +14.4% | +18.3% | 44,757 | Form 4 · filed 3 days after the trade |
| 2026-03-13 | Smiley Joshua L | officer | Sale | 1,966 @ $18.63 | $37K | −2.1% of holding | +14.4% | +18.3% | 91,026 | Form 4 · filed 3 days after the trade |
| 2026-03-13 | Chen Yajing | officer | Sale | 1,703 @ $18.63 | $32K | −7.8% of holding | +14.4% | +18.3% | 19,999 | Form 4 · filed 3 days after the trade |
| 2026-03-13 | Edmondson Frazor Titus III | officer | Sale | 1,281 @ $18.63 | $24K | −16.5% of holding | +14.4% | +18.3% | 6,494 | Form 4 · filed 3 days after the trade |
| 2026-03-11 | Du Ying | director | Sale | 1,067 @ $19.08 | $20K | −0.1% of holding | +7.7% | +14.1% | 1,109,905 | Form 4 · filed 1 day after the trade |
| 2026-03-09 | Du Ying | director | Sale | 50,000 @ $19.03 | $951K | −4.9% of holding | +11.9% | +19.4% | 964,161 | Form 4 · filed 1 day after the trade |
| 2026-03-06 | Du Ying | director | Sale | 50,000 @ $19.42 | $971K | −4.9% of holding | +9.2% | +19.1% | 964,161 | Form 4 · filed 4 days after the trade |
| 2026-03-05 | Du Ying | director | Sale | 50,000 @ $19.22 | $961K | −4.9% of holding | +9.2% | +25.8% | 964,161 | Form 4 · filed 1 day after the trade |
| 2026-03-05 | Edmondson Frazor Titus III | officer | Sale | 15,569 @ $19.06 | $297K | −81.6% of holding | +9.2% | +25.8% | 3,517 | Form 4 · filed 1 day after the trade |
| 2026-03-04 | Du Ying | director | Sale | 35,710 @ $19.32 | $690K | −3.6% of holding | +9.9% | +25.1% | 964,161 | Form 4 · filed 2 days after the trade |
| 2026-03-04 | Du Ying | director | Sale | 14,290 @ $18.78 | $268K | −1.4% of holding | +9.9% | +25.1% | 999,871 | Form 4 · filed 2 days after the trade |
| 2026-03-03 | Amado Rafael | director | Sale | 10,000 @ $17.38 | $174K | −19.1% of holding | +18.2% | +30.2% | 42,391 | Form 4 · filed 2 days after the trade |
| 2025-12-31 | Amado Rafael | director | Sale | 10,787 @ $17.43 | $188K | −17.1% of holding | −9.6% | −2.6% | 52,391 | Form 4 · filed 2 days after the trade |
| 2025-12-16 | Edmondson Frazor Titus III | officer | Sale | 8,651 @ $17.14 | $148K | −31.2% of holding | +7.1% | −4.0% | 19,086 | Form 4 · filed 2 days after the trade |
| 2025-11-21 | Edmondson Frazor Titus III | officer | Sale | 14,328 @ $19.78 | $283K | −34.1% of holding | −17.4% | −21.2% | 27,737 | Form 4 · filed 4 days after the trade |
| 2025-11-03 | Chen Yajing | officer | Sale | 240 @ $26.83 | $6K | −1.4% of holding | −26.2% | −29.5% | 17,444 | Form 4 · filed 1 day after the trade |
| 2025-10-02 | Chen Yajing | officer | Sale | 456 @ $34.25 | $16K | −2.6% of holding | −24.7% | −38.5% | 17,184 | Form 4 · filed 1 day after the trade |
| 2025-09-10 | Smiley Joshua L | officer | Purchase | 10,000 @ $28.91 | $289K | +13.1% of holding | +11.9% | −36.3% | 86,604 | Form 4 · filed 2 days after the trade |
| 2025-08-18 | Smiley Joshua L | officer | Sale | 6,641 @ $36.24 | $241K | −8.0% of holding | −11.2% | −50.8% | 76,604 | Form 4 · filed 1 day after the trade |
| 2025-08-18 | Edmondson Frazor Titus III | officer | Sale | 1,883 @ $36.24 | $68K | −4.3% of holding | −11.2% | −50.8% | 42,065 | Form 4 · filed 1 day after the trade |
| 2025-08-15 | Chen Yajing | officer | Sale | 828 @ $35.53 | $29K | −4.7% of holding | −12.2% | −50.6% | 16,720 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Chen Yajing | officer | Sale | 610 @ $35.27 | $22K | −3.4% of holding | −12.2% | −50.6% | 17,548 | Form 4 · filed 3 days after the trade |
| 2025-08-13 | Du Ying | director | Sale | 46,387 @ $35.47 | $1.6M | −8.0% of holding | −9.9% | −53.6% | 536,962 | Form 4 · filed 1 day after the trade |
| 2025-08-12 | Du Ying | director | Sale | 50,000 @ $34.25 | $1.7M | −8.5% of holding | −7.7% | −52.8% | 536,962 | Form 4 · filed 2 days after the trade |
| 2025-08-11 | Du Ying | director | Sale | 50,000 @ $34.64 | $1.7M | −8.5% of holding | −20.6% | −53.1% | 536,962 | Form 4 · filed 1 day after the trade |
| 2025-08-08 | Du Ying | director | Sale | 50,000 @ $34.74 | $1.7M | −8.5% of holding | −12.0% | −56.8% | 536,962 | Form 4 · filed 4 days after the trade |
| 2025-08-08 | Chen Yajing | officer | Sale | 4,096 @ $34.01 | $139K | −19.5% of holding | −12.0% | −56.8% | 16,908 | Form 4 · filed 4 days after the trade |
| 2025-08-08 | Amado Rafael | director | Sale | 3,000 @ $35.00 | $105K | −6.6% of holding | −12.0% | −56.8% | 42,178 | Form 4 · filed 4 days after the trade |
| 2025-07-02 | Du Ying | director | Sale | 7,072 @ $35.23 | $249K | −1.3% of holding | +3.5% | −60.8% | 536,962 | Form 4 · filed 1 day after the trade |
| 2025-06-30 | Du Ying | director | Sale | 6,918 @ $35.52 | $246K | −1.3% of holding | +7.6% | −61.0% | 526,034 | Form 4 · filed 1 day after the trade |
| 2025-06-26 | Du Ying | director | Sale | 23,669 @ $36.13 | $855K | −4.4% of holding | +2.8% | −62.1% | 514,982 | Form 4 · filed 1 day after the trade |
| 2025-06-26 | Edmondson Frazor Titus III | officer | Sale | 5,877 @ $36.13 | $212K | −13.1% of holding | +2.8% | −62.1% | 39,098 | Form 4 · filed 1 day after the trade |
| 2025-06-26 | Chen Yajing | officer | Sale | 2,675 @ $36.13 | $97K | −11.3% of holding | +2.8% | −62.1% | 21,004 | Form 4 · filed 1 day after the trade |
| 2025-06-20 | Lis William | director | Sale | 13,814 @ $35.67 | $493K | −28.2% of holding | +1.3% | −64.4% | 35,106 | Form 4 · filed 3 days after the trade |
The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.
220 award / exercise / gift records — not counted as purchases
Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.
| Date | Person | Role | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-14 | Chen Yajing | officer | Withheld for tax | 427 | 35,895 | Form 4 |
| 2026-08-14 | Chen Yajing | officer | Option exercise | 1,250 | 1,250 | Form 4 |
| 2026-08-14 | Chen Yajing | officer | Option exercise | 1,250 | 36,322 | Form 4 |
| 2026-08-14 | Chen Yajing | officer | Option exercise | 1,250 | 36,322 | Form 4 |
| 2026-08-14 | Chen Yajing | officer | Option exercise | 1,250 | 36,322 | Form 4 |
| 2026-08-14 | Chen Yajing | officer | Option exercise | 1,250 | 36,322 | Form 4 |
| 2026-07-02 | Du Ying | director | Withheld for tax | 4,348 | 1,221,401 | Form 4 |
| 2026-07-02 | Du Ying | director | Award / grant | 80,393 | 80,393 | Form 4 |
| 2026-07-02 | Du Ying | director | Option exercise | 11,048 | 33,146 | Form 4 |
| 2026-07-02 | Du Ying | director | Option exercise | 11,048 | 1,225,749 | Form 4 |
| 2026-07-02 | Du Ying | director | Option exercise | 11,048 | 1,225,749 | Form 4 |
| 2026-07-01 | Du Ying | director | Withheld for tax | 7,083 | 1,214,701 | Form 4 |
| 2026-07-01 | Du Ying | director | Option exercise | 18,000 | 36,000 | Form 4 |
| 2026-07-01 | Du Ying | director | Option exercise | 18,000 | 1,221,784 | Form 4 |
| 2026-07-01 | Du Ying | director | Option exercise | 18,000 | 1,221,784 | Form 4 |
| 2026-06-29 | Du Ying | director | Option exercise | 17,970 | 17,970 | Form 4 |
| 2026-06-29 | Du Ying | director | Option exercise | 17,970 | 1,210,810 | Form 4 |
| 2026-06-29 | Du Ying | director | Option exercise | 17,970 | 1,210,810 | Form 4 |
| 2026-06-25 | Du Ying | director | Option exercise | 58,800 | 0 | Form 4 |
| 2026-06-25 | Chen Yajing | officer | Option exercise | 6,250 | 0 | Form 4 |
| 2026-06-25 | Edmondson Frazor Titus III | officer | Option exercise | 14,600 | 0 | Form 4 |
| 2026-06-25 | Du Ying | director | Option exercise | 58,800 | 1,217,383 | Form 4 |
| 2026-06-25 | Edmondson Frazor Titus III | officer | Option exercise | 14,600 | 34,449 | Form 4 |
| 2026-06-25 | Chen Yajing | officer | Option exercise | 6,250 | 37,955 | Form 4 |
| 2026-06-25 | Du Ying | director | Option exercise | 58,800 | 1,217,383 | Form 4 |
| 2026-06-25 | Edmondson Frazor Titus III | officer | Option exercise | 14,600 | 34,449 | Form 4 |
| 2026-06-25 | Chen Yajing | officer | Option exercise | 6,250 | 37,955 | Form 4 |
| 2026-06-17 | DIEKMAN JOHN D | director | Award / grant | 22,371 | 122,140 | Form 4 |
| 2026-06-17 | GAYNOR RICHARD | director | Award / grant | 22,371 | 79,001 | Form 4 |
| 2026-06-17 | Leung Nisa | director | Award / grant | 22,371 | 96,297 | Form 4 |
| 2026-06-17 | Lis William | director | Award / grant | 22,371 | 57,477 | Form 4 |
| 2026-06-17 | MOULDER LEON O JR | director | Award / grant | 22,371 | 94,973 | Form 4 |
| 2026-06-17 | Morrison Scott W | director | Award / grant | 22,371 | 56,904 | Form 4 |
| 2026-06-17 | Vounatsos Michel | director | Award / grant | 22,371 | 72,787 | Form 4 |
| 2026-06-17 | WIRTH PETER | director | Award / grant | 22,371 | 416,121 | Form 4 |
| 2026-05-27 | Du Ying | director | Gift | 53,850 | 1,158,583 | Form 4 |
| 2026-05-27 | Du Ying | director | Gift | 33,993 | 1,212,433 | Form 4 |
| 2026-05-26 | Du Ying | director | Gift | 19,857 | 1,246,426 | Form 4 |
| 2026-05-19 | Du Ying | director | Withheld for tax | 117,435 | 1,266,283 | Form 4 |
| 2026-05-19 | Du Ying | director | Option exercise | 261,092 | 1,383,718 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.
Congressional disclosures
No congressional trades disclosed for this company.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.